This is the new type of plane parts are made in China.A. whatB. thatC. whichD. whose

问题补充：

This is the new type of plane parts are made in China.

A. what

B. that

C. which

D. whose

答案：

A. what

B. that

C. which

(答案→)D. whose

解析：考查定语从句。先行词为plane，在定语从句中作定语，故用关系词whose，选D。